
Codewars
Exercism
CodinGame
LeetCode
CodeCombat
HackerRank
Google's Python Class
CheckIO is a web site with a mission: To teach JavaScript and Python coding skills through a game-playing interface. It is designed to teach new skills or improve existing skills through completing challenges.

UserTesting.com
Maze
Hotjar
PlaybookUX
UXtweak
UserBob
UserZoom
Easy, fast, and affordable user testing for websites and prototypes.

Which is more popular?
Based on our record, CheckIO seems to be more popular. It has been mentioned 46 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | checkio.org | userbrain.com |
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| Company | — | 2014 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of CheckIO yet.
Userbrain is a remote user testing tool backed by a community of over 120k+ testers worldwide. Start testing in minutes. Get results in hours with easy, fast, and affordable user testing. Find out what’s working for your product — and what’s not. Whether you’re a UX Designer, Researcher, Product...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using CheckIO and Userbrain. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


CheckiO is a platform with coding games created for different levels of programmers, from beginners to advanced levels. Using fun and engaging methods, you can use coding games to solve challenges in TypeScript and...
CheckIO is available in English and Spanish. The platform was designed by a group of engineers and now has a number of customers all over the globe who may use it to improve their programming speed and abilities by...
Checkio is the most whimsical HackerRank alternative on this list. It’s also focused on two languages: Python and TypeScript. On this site you’ll be thrown into a gamer’s paradise that includes robot mollusks and...
Userbrain is a great UserZoom alternative when you are only looking to run a couple of tests and don’t look for any extra features. They can provide you with basic usability and user tests.
While Userbrain is all-in-all a good user testing platform, it might not be for everyone. People are different as are their needs and projects – therefore we have put together a list of 5 user testing tools that could...
Recommendations tracked on public social media and blogs since March 2021.


Have you heard of CheckIO (https://checkio.org/)? They have a gameified "Mario world" of coding challenges that are smaller and come with more explanation, tests to guide you through edge cases and provide hints. The challenges start... Source: almost 3 years ago
Cyber isn't gonna be a light switch, where you can flip it and be good. Don't be too hard on yourself. Start with some hands on stuff like https://tryhackme.com or checkio.org. You could look at certs like Security+ or CySA+ for some... Source: about 3 years ago
Much better to get your hands dirty than watching the videos. Try: https://checkio.org/. Source: over 3 years ago
Tracking Userbrain since Mar 2021.
When comparing CheckIO and Userbrain, you can also consider the following products.


Usability testing has never been easier. Get videos of real people speaking their thoughts as they use websites, mobile apps, prototypes and more!
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Download and solve practice problems in over 30 different languages.
Compare Exercism to CheckIO or Userbrain:


CodinGame provides users with a fun and effective way to learn coding that eschews the rigid structure of traditional teaching methods.
Compare CodinGame to CheckIO or Userbrain:

The #1 Leader in Heatmaps, Recordings, Surveys & More. Sign up for a 15-day free trial and start learning from real user behavior today!
Compare Hotjar to CheckIO or Userbrain: